Dental tool



FIG. 1 is a side perspective view of a dental tool showing my new design;

FIG. 2 is side elevation thereof;

FIG. 3 is side elevation of the side opposite that shown in FIG. 2;

FIG. 4 is a front elevation thereof; and,

FIG. 5 is a rear elevation thereof. 

The ornamental design for a dental tool, as shown. 